ACTH acts via an anterior ventral third ventricular site to elicit grooming behavior.
Intracerebroventricular but not parenteral application of ACTH has been shown to elicit excessive grooming behavior in rats and mice. This behavior is elicited by administration of ACTH into the lateral, third, or fourth ventricles. Plugging of the cerebral aqueduct with cold cream fails to prevent grooming in response to lateral ventricle injection of ACTH. However, cold cream plugs in the third ventricle can prevent the subsequent induction of grooming behavior by lateral ventricle injection of ACTH, but only when the plugs are located in the anterior ventral third ventricle in the region of the organum vasculosum laminae terminalis (OVLT) and median eminence. These data suggest the anterior ventral third ventricle as the periventricular site of action of ACTH in eliciting excessive grooming, although it is possible that peptides taken up in this area are transported to other regions to elicit the behavioral response.[1]References
- ACTH acts via an anterior ventral third ventricular site to elicit grooming behavior. Dunn, A.J., Hurd, R.W. Peptides (1986) [Pubmed]
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